CI+ Stack

a market proven complete solution that can be easily integrated into targeted platform in form of source code for CI and CI+ interface implementation. MHEG-5 browser part is included.

As one of the first companies, Gkware can offer a complete CI Plus solution to our customers.

About CI Plus   


CI Plus is an extension to the classic EN 50 221 standard. It adds an extra layer of security to the communication between the Host (STB, IDTV or Headend) and the CI Module, secures the content on the transport stream interface and enforces copy protection regulation compliance. CI Plus compatible hosts are also compatible to standard DVB-CI modules. MHEG-5 has been defined as the new standard for graphical MMIs. In compatible hosts, the MHEG-5 MMIs will replace the limited EN 50 221 Highlevel MMIs.
The CI Plus specification is available at .

TC Trustcenter is administrating the licensing procedure and the X.509 infrastructure.

Our Solution


The GkWare CI Plus software is a simple add-on to our popular CI Stack . Customers that wish to perform an upgrade just have to include the new source code and very few new APIs in their projects. The PCMCIA driver interface has not been changed. We also give you the choice for the MHEG-5. You can, but you do not have to choose our MHEG-5 engine .
No surprises: Our stack has already been validated against several 3rd-party implementations of the CI Plus standard.

Test Material


As part of our own developments, Gkware also created a lot of test material which can be licensed/purchased separately from our software stack. Material available for purchasing includes:
  • Transport stream (de-)scrambling software for Windows (implementing the AES & DES TS scrambling algorithms)
  • Reference Streams scrambled with fixed AES and/or DES keys
  • CI Modules implementing parts of the CI Plus Specification, based on our BISS CI Module
Gkware are also operating a custom X.509 infrastructure that allows companies without a valid license from the CI Plus Trust Authority to start their development. Certificates and the documentation for this replacement "Licensee specification" are available on request.
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